19782884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5417}}^1$

素因数の和:5515

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 18446524

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5417, 10834, 21668, 59587, 119174, 238348, 449611, 899222, 1798444, 4945721, 9891442, 19782884]

約数ペア:

[(1, 19782884), (2, 9891442), (4, 4945721), (11, 1798444), (22, 899222), (44, 449611), (83, 238348), (166, 119174), (332, 59587), (913, 21668), (1826, 10834), (3652, 5417)]